ProRadian - Jennifer Silverman
Protractors for learning about radians "in the same way you learned about degrees — by measuring." ProRadian learning sets contain two protractors, one scaled in 0.1 radians and one scaled in π/24 radians. Silverman, who now writes math curriculum
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Quia! - The Learning Group
Create your own Java-enabled quizzes, home pages, and learning games to play over the Internet: enter your material into a form, select a few options, and press a button. Games have been created and are available for browsing in mathematics, as well as:
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The Right-Angle Triangle Solver - Steve Ayers
Input two sides of a right triangle, or one of its sides and one of its angles, and this site calculates the remaining sidelengths and angles. Also, convert decimals and fractions, and imperial and metric units of measure. Requires JavaScript.
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Savard Software
Windows shareware and freeware, including Master Converter (which converts over 580 units in more than 30 categories, with the ability to add your own units and categories) as well as a program launcher and various desktop utilities.
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Scale Drawing Project - Diane Coates
A lesson plan: Choose a picture like a cartoon or a greeting card, etc. It is best not to choose a photograph. Decide what scale factor will enlarge your original drawing to an appropriate size for a standard size poster board (i.e. 1:3, 1:4, 1:5, 2:7
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Shelley Walsh
Syllabi and notes for math courses from arithmetic review to beginning calculus. Download MathHelp a tutorial program with problem sets for Mac or PC, or learn how to use MathHelp to create your own tutorials. Brief Mathematics Articles present concepts
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Slide-A-Round Math Manipulatives - Jim Franklin
These manipulatives feature movable, interchangeable slides for learning how to round whole numbers, decimals, and money; to identify equivalent fractions; to calculate elapsed time, and more. Manufactured in the U.S. of recycled plastic with steel reinforcement,
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Things I Made From Yarn - Alan Eliasen
Futureboy's online calculators include a blackjack strategy table, a model solar system calculator (create your own model solar system of any scale), a sun locator (find current position of the sun), a historical currency converter (find out "how much
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Unit Conversion and Day of the Week - Stephen Phillips
Convert between units of distance, area, volume, mass, speed, temperature, pressure, energy, power, or force online, or find the day of the week for a given date. There is also a list of conversion factors for various units, including units of radiation,
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UnitMath - Paul M. Price
A calculation utility program for Mac or Windows, designed to answer questions written as equations made up of numbers, units (a unit is a quantity in terms of which the magnitudes of other quantities of the same type can be stated), precision, and operators.
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The Units of Measure C++ Library - Keith Nicewarner
The purpose of this library is to try to make it more difficult to make
coding mistakes that incorrectly mix units of measure. This is done with a
set of C++ classes that provide type-safe manipulation of units of measure
for various properties.
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Units of Measurement for Ada - Dmitry A. Kazakov
Public domain software for dealing with physical measurement units. The library provides physically correct unit arithmetic and tools for input and output of units, which including support of various irregular units. As an illustrative example a platform-independent
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WebMath: Instant Solutions to Math Problems
Instant solutions to math problems: look over the various links on the home page until you find a topic that seems to describe the math problem you're working on. Select a link then another and you will be presented with a blank form into which you can
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